The train that derailed Sunday morning
in the Bronx was traveling at 82 miles per hour when it went over a curve, National Transportation Safety Board member Earl Weener said at a press conference at the Hampton Inn in Yonkers.

There is
no indication of any mechanical malfunction
in the train, rails, or signal system involved the Metro-North Hudson Line derailment Sunday, which killed four and injured others, the NTSB announced at a press conference at the Hampton Inn in Yonkers.